package Log4jTest;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class Log4jTest {
    public static void main(String[] args) {
        Log log = LogFactory.getLog(Log4jTest.class);
        log.info("start...");
        log.warn("end.");
        log.error("end.");
        log.fatal("fatal 信息");
    }
}
